+#book-text {
+ margin: 3em;
+ max-width: 36em;
+}
+
+/* ================================== */
+/* = Header with logo and menu = */
+/* ================================== */
+#header {
+ margin: 3.4em 0 0 1.4em;
+}
+
+img {
+ border: none;
+}
+
+
+#menu {
+ position: fixed;
+ left: 0em;
+ top: 0em;
+ width: 100%;
+ height: 1.5em;
+ background: #333;
+ color: #FFF;
+ opacity: 0.9;
+}
+
+#menu ul {
+ list-style: none;
+ padding: 0;
+ margin: 0;
+}
+
+#menu li a {
+ display: block;
+ float: left;
+ width: 7.5em;
+ height: 1.5em;
+ margin-left: 0.5em;
+ text-align: center;
+ color: #FFF;
+}
+
+#menu li a:hover, #menu li a:active {
+ color: #000;
+ background: #FFF url(/media/img/arrow-down.png) no-repeat center right;
+}
+
+#menu li a.selected {
+ color: #000;
+ background: #FFF url(/media/img/arrow-up.png) no-repeat center right;
+}
+
+#toc, #themes {
+ position: fixed;
+ left: 0em;
+ top: 1.5em;
+ width: 37em;
+ padding: 1.5em;
+ background: #FFF;
+ border-bottom: 0.25em solid #DDD;
+ border-right: 0.25em solid #DDD;
+ display: none;
+ height: 16em;
+ overflow-x: hidden;
+ overflow-y: auto;
+ opacity: 0.9;
+}
+
+#toc ol, #themes ol {
+ list-style: none;
+ padding: 0;
+ margin: 0;
+}
+
+#toc ol li {
+ font-weight: bold;
+}
+
+#toc ol ol {
+ padding: 0 0 1.5em 1.5em;
+ margin: 0;
+}
+
+#toc ol ol li {
+ font-weight: normal;
+}
+
+#toc h2 {
+ display: none;
+}
+
+#toc .anchor {
+ float: none;
+ margin: 0;
+ color: blue;
+ font-size: 16px;
+}
+